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Finding the Fourth Proportional to 329,332.05, 454,472.31 and 186,089.01

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Solution

The fourth proportional to 329,332.05, 454,472.31 and 186,089.01 is: 256,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,332.05 : 454,472.31 = 186,089.01 : x
  2. Step 2: Convert to fraction form
    329,332.05/454,472.31 = 186,089.01/x
  3. Step 3: Cross multiply
    329,332.05x = 454,472.31 × 186,089.01
  4. Step 4: Simplify right side
    329,332.05x = 84,572,302,240.31
  5. Step 5: Solve for x
    x = 84,572,302,240.31/329,332.05
  6. Step 6: Final answer
    x = 256,799.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.